1: (0 2 14)

(0)(1 20 3)(2 17 14 7 4)(5 16 13 11 8)(6 19 18)(9 21 15 12 10)

2: (1 20 3)

(0)(1)(2 17 14 7 4)(3)(5 16 13 11 8)(6 19 18)(9 21 15 12 10)(20)

3: (12 21 15)

(0)(1)(2 17 14 7 4)(3)(5 16 13 11 8)(6 19 18)(9 21 10)(12)(15)(20)

4: (2 17 4)

(0)(1)(2)(3)(4 14 7)(5 16 13 11 8)(6 19 18)(9 21 10)(12)(15)(17)(20)